第1个回答 2012-05-22
1.直接加ed,如:work-- worked ,
2.以e结尾的单词,直接加d,如:live ~·lived
3 以辅音字母+y结尾的,变y为i加ed eg:study stuied
4 以重读闭音节结尾的,双写最后的辅音字母+ed eg: stop stopped
不规则变化:
have/has -- had,eat--ate, see—saw, am/is—was, go—went, do--did,take--took,run--ran,lend--lent本回答被提问者采纳